Les adresses IP débutant par 166.87.21 sont fournies par Aramco, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.87.0.0/16, le bloc IP comprant les adresses de 166.87.0.0 à 166.87.255.255). Le numéro de système autonome (ASN) est 5080.
| ASN | 5080 |
| IP commençant par | 166.87.0.0 |
| IP se terminant par | 166.87.255.255 |
| Nom ASN | Aramco |
| CDIR | 166.87.0.0/16 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 26/04/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | SA | Arabie saoudite | - | Dhahran | 26,3032 | 50,1353 | 2018-04-26 |
| MaxMind | SA | Arabie saoudite | - | Dhahran | 26,3032 | 50,1353 | 2018-04-26 |
| Whois | SA | - | - | - | 45 | 24 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.87.21.0 | 2790724864 | 0 |
| 166.87.21.1 | 2790724865 | 0 |
| 166.87.21.2 | 2790724866 | 0 |
| 166.87.21.3 | 2790724867 | 0 |
| 166.87.21.4 | 2790724868 | 0 |
| 166.87.21.5 | 2790724869 | 0 |
| 166.87.21.6 | 2790724870 | 0 |
| 166.87.21.7 | 2790724871 | 0 |
| 166.87.21.8 | 2790724872 | 0 |
| 166.87.21.9 | 2790724873 | 0 |
| 166.87.21.10 | 2790724874 | 0 |
| 166.87.21.11 | 2790724875 | 0 |
| 166.87.21.12 | 2790724876 | 0 |
| 166.87.21.13 | 2790724877 | 0 |
| 166.87.21.14 | 2790724878 | 0 |
| 166.87.21.15 | 2790724879 | 0 |
| 166.87.21.16 | 2790724880 | 0 |
| 166.87.21.17 | 2790724881 | 0 |
| 166.87.21.18 | 2790724882 | 0 |
| 166.87.21.19 | 2790724883 | 0 |
| 166.87.21.20 | 2790724884 | 0 |
| 166.87.21.21 | 2790724885 | 0 |
| 166.87.21.22 | 2790724886 | 0 |
| 166.87.21.23 | 2790724887 | 0 |
| 166.87.21.24 | 2790724888 | 0 |
| 166.87.21.25 | 2790724889 | 0 |
| 166.87.21.26 | 2790724890 | 0 |
| 166.87.21.27 | 2790724891 | 0 |
| 166.87.21.28 | 2790724892 | 0 |
| 166.87.21.29 | 2790724893 | 0 |
| 166.87.21.30 | 2790724894 | 0 |
| 166.87.21.31 | 2790724895 | 0 |
| 166.87.21.32 | 2790724896 | 0 |
| 166.87.21.33 | 2790724897 | 0 |
| 166.87.21.34 | 2790724898 | 0 |
| 166.87.21.35 | 2790724899 | 0 |
| 166.87.21.36 | 2790724900 | 0 |
| 166.87.21.37 | 2790724901 | 0 |
| 166.87.21.38 | 2790724902 | 0 |
| 166.87.21.39 | 2790724903 | 0 |
| 166.87.21.40 | 2790724904 | 0 |
| 166.87.21.41 | 2790724905 | 0 |
| 166.87.21.42 | 2790724906 | 0 |
| 166.87.21.43 | 2790724907 | 0 |
| 166.87.21.44 | 2790724908 | 0 |
| 166.87.21.45 | 2790724909 | 0 |
| 166.87.21.46 | 2790724910 | 0 |
| 166.87.21.47 | 2790724911 | 0 |
| 166.87.21.48 | 2790724912 | 0 |
| 166.87.21.49 | 2790724913 | 0 |
| 166.87.21.50 | 2790724914 | 0 |
| 166.87.21.51 | 2790724915 | 0 |
| 166.87.21.52 | 2790724916 | 0 |
| 166.87.21.53 | 2790724917 | 0 |
| 166.87.21.54 | 2790724918 | 0 |
| 166.87.21.55 | 2790724919 | 0 |
| 166.87.21.56 | 2790724920 | 0 |
| 166.87.21.57 | 2790724921 | 0 |
| 166.87.21.58 | 2790724922 | 0 |
| 166.87.21.59 | 2790724923 | 0 |
| 166.87.21.60 | 2790724924 | 0 |
| 166.87.21.61 | 2790724925 | 0 |
| 166.87.21.62 | 2790724926 | 0 |
| 166.87.21.63 | 2790724927 | 0 |
| 166.87.21.64 | 2790724928 | 0 |
| 166.87.21.65 | 2790724929 | 0 |
| 166.87.21.66 | 2790724930 | 0 |
| 166.87.21.67 | 2790724931 | 0 |
| 166.87.21.68 | 2790724932 | 0 |
| 166.87.21.69 | 2790724933 | 0 |
| 166.87.21.70 | 2790724934 | 0 |
| 166.87.21.71 | 2790724935 | 0 |
| 166.87.21.72 | 2790724936 | 0 |
| 166.87.21.73 | 2790724937 | 0 |
| 166.87.21.74 | 2790724938 | 0 |
| 166.87.21.75 | 2790724939 | 0 |
| 166.87.21.76 | 2790724940 | 0 |
| 166.87.21.77 | 2790724941 | 0 |
| 166.87.21.78 | 2790724942 | 0 |
| 166.87.21.79 | 2790724943 | 0 |
| 166.87.21.80 | 2790724944 | 0 |
| 166.87.21.81 | 2790724945 | 0 |
| 166.87.21.82 | 2790724946 | 0 |
| 166.87.21.83 | 2790724947 | 0 |
| 166.87.21.84 | 2790724948 | 0 |
| 166.87.21.85 | 2790724949 | 0 |